Initializers are not allowed in ambient contexts.

[aodhgan]

npm start gives the error:

typeorm-typescript-koa-example@0.0.1 start /Users/agleeson/typescript-koa-example
tsc && node src/index.js

node_modules/typeorm/connection/Connection.d.ts:40:28 - error TS1039: Initializers are not allowed in ambient contexts.

40 readonly isConnected = false;
~~~~~

This persists by updating the typescript dependency to "*"